124240897 has 4 divisors (see below), whose sum is σ = 135535536. Its totient is φ = 112946260.

The previous prime is 124240891. The next prime is 124240933. The reversal of 124240897 is 798042421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124240897 - 2¹⁵ = 124208129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124240891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5647303 + ... + 5647324.

It is an arithmetic number, because the mean of its divisors is an integer number (33883884).

Almost surely, 2^124240897 is an apocalyptic number.

It is an amenable number.

124240897 is a deficient number, since it is larger than the sum of its proper divisors (11294639).

124240897 is a wasteful number, since it uses less digits than its factorization.

124240897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294638.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 124240897 is about 11146.3400719698. The cubic root of 124240897 is about 498.9858068822.

The spelling of 124240897 in words is "one hundred twenty-four million, two hundred forty thousand, eight hundred ninety-seven".